LS59-1

To produce semifinished items (tapes, sheets, bars, tubes, rods, wires, profiles); forgings; fasteners (nuts, bolts); gears, gears, bushings.

Classification

Country Section Category
CIS, Russia, Ukraine Brass (copper-zinc alloy) Brass, pressure treated

Chemical composition

Standard Fe, % Sn, % Bi, % Cu, % Zn, % Sb, % Pb, % P, %
GOST 15527-2004 < 0.5 < 0.3 < 0.003 57–60 37.05–42.2 < 0.01 0.8–1.9 < 0.02

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Physical characteristics

Temperature, °C $$E\cdot 10^{9}$$, $$MPa$$ $$\alpha\cdot 10^{6}$$, $$K^{-1}$$ $$\varkappa$$, $$\frac{W}{m\cdot K}$$ $$\rho$$, $$\frac{kg}{m^3}$$ $$c\cdot 10^{-3}$$, $$\frac{J}{kg\cdot K}$$ $$R\cdot 10^{-6}$$, $$\Omega\cdot m$$
20 105 104.7 8400 0.066
100 20.6 0.3768

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\epsilon_L$$, % Treatment
Trumpet compacting 390
Round compacting 360 22
Round solid 490 7
Round soft 330 25
Wire soft 340 25–30
Wire solid 440–640 1–8
Tape solid, cold rolling 460–610 5
Tape soft, cold rolling 340–470 25
Tape hot rolling 360–490 18

Brinell hardness number

Rolling Standard Classifiers Value, HBW
Sheet soft 0–0
Sheet solid 200
Round soft 0–0
Round solid 0–0

Casting and technological parameters

melting point, °C Hot working temperature, °C annealing temperature, °C
900 780–820 600–650

Coefficients of Friction

coefficient of friction with lubrication coefficient of friction without lubrication
0.0135 0.17
LS59-1 / Aloro

Standards

Standard Description
GOST 15527-2004
GOST 1066-15
GOST 2060-90
GOST 2060-2006 GOST
GOST 2208-07
GOST 31366-08
GOST 494-14
GOST 6688-16
GOST Р 52597-06
GOST Р 52922-08
GOST Р 52949-08
DSTU GOST 15527:2005
DSTU GOST 2208:2008

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Sn % Tin
Bi % Bismuth
Cu % Copper
Zn % Zinc
Sb % Antimony
Pb % Lead
P % Phosphorus

Description of physical characteristics

Parameter Units of measurement Description
$$E\cdot 10^{9}$$ $$MPa$$ Elastic modulus
$$\alpha\cdot 10^{6}$$ $$K^{-1}$$ Coefficient of thermal (linear) expansion (range 20°C–T)
$$\varkappa$$ $$\frac{W}{m\cdot K}$$ Coefficient of thermal conductivity (the heat capacity of the material)
$$\rho$$ $$\frac{kg}{m^3}$$ The density of the material
$$c\cdot 10^{-3}$$ $$\frac{J}{kg\cdot K}$$ The specific heat of the material (range 20°C–T)
$$R\cdot 10^{-6}$$ $$\Omega\cdot m$$ Electrical resistivity

Description of mechanical properties

Parameter Units of measurement Description
$$\sigma _{U}$$ $$MPa$$ Ultimate tensile strength
$$\epsilon_L$$ % Elongation at break (longitudinal)

Description of the casting and technological parameters

Parameter Units of measurement Description
melting point °C The temperature at which solid crystalline body makes the transition to the liquid state and Vice versa
Hot working temperature °C The temperature at which the plastic-deformed metal recrystallizes during the pressure treatment
annealing temperature °C The temperature at which the processes return recrystallization and homogenization of the metal to reduce its hardness for subsequent machining